Fatboy Barrels

Fit and Sizing Chart
  • Versatility defined

    The Fatboy is at home in the world's most prestigious concert halls, famous jazz clubs, and everything in between. It's our best-selling barrel, and for good reason. Artists who are called upon to interpret a wide variety of music appreciate the Fatboy Barrel’s unique flexibility and versatility. Note: In Japan, this model is known as the Backun Barrel. 

    Specs: Grenadilla or cocobolo wood. Compatible with Bb and A clarinets.


Meet the Backun Fatboy Barrel

Customer Reviews
5.0 Based on 47 Reviews
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EB
07/31/2020
Elijah B.
United States United States
Powerful sound

This barrel makes my clarinet twice as powerful.

ES
07/31/2020
Ezra S.
United States United States
Looks Great

Item just arrived and I look forward to using it. Looks fantastic,

RJ
07/20/2020
Richard J.
FatBoy Barrel

Purchased a 67mm Fatboy because I was consistently playing a little sharp, and hoping tone would improve a little. So far, the Fatboy seems to be helping in both ways.

TH
07/20/2020
Troy H.
I love Fatboys!

I heard about the fatboy and took the plunge. Everything good thing I read is true. I put it on the day I got it and played. My husband immediately commented, "Wow! That really makes a difference. The sound is so much warmer and richer." In addition, I was amazed by how quickly it arrived and I live in Europe. And . . . the customer service was top-notch. Thank you.

FB
07/20/2020
Fran B.
Fat Boy... Fat Sound!

I love the big, warm sound this barrel adds to my Buffet. Definitely a good choice.

EI
06/22/2020
EJ I.
Amazing Product

The Backun Fatboy Barrel is amazing! It produces a loud sound. It has a very bright tone! My clarinet is plastic. So when I put the Grenadilla Wood barrel on my instrument. IT SOUNDS LIKE A WOODEN CLARINET!


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Fit and Sizing

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FIT BRANDS
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Standard Plus As above, larger bore for more free blowing feel

Selmer Paris

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Yamaha CSG

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Bells

FIT BRANDS
Standard Backun, Buffet, Selmer (USA, Centered Tone, 10G, Series 9), Yamaha (including CSG), and most other brands
Selmer Paris Selmer Paris (Not including Selmer USA, 10G, Series 9)

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MODEL MATERIAL OPENING FACING LENGTH COMPARES TO
R Hard Rod Rubber Close Short M13/15
G Hard Rod Rubber Medium Medium 5RV/M30/BD5
H Hard Rod Rubber Open Long B40/B45
CG Proprietary Synthetic Open Long BD4/B40
Z Hard Rod Rubber Extreme Open Long BD7

Vocalise Bass Mouthpieces

MODEL MATERIAL OPENING FACING LENGTH COMPARES TO
CG
Proprietary Synthetic Open Long B46/B50

Alpha Mouthpieces

MODEL MATERIAL OPENING FACING LENGTH COMPARES TO
Bb Plastic Medium Medium 5RV Lyre
Bass Plastic Medium Medium 5RV Lyre